* {
    margin: 0;
    padding: 0;
}

html,
body {
    font-size: 24px;
    font-family: '楷体' !important;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
}

.home {
    width: 1000px;
    height: 800px;
    border: 1px solid black;
    padding: 10px;
    margin: 0 auto;
}

.header {
    width: 100%;
    height: 50px;
    text-align: center;
    line-height: 50px;
    color: white;
    background: black;
}

.main {
    width: 100%;
    height: 750px;
    background: lavender;
    position: relative;
    z-index: 1;
}

.select {
    position: absolute;
    top: 20px;
    left: 20px;
    width: 80px;
    height: 30px;
    border: 1px solid rgba(0, 0, 0, .4);
    cursor: pointer;
    text-align: center;
    line-height: 30px;
    z-index: 999;
}

.selectedText {
    border-bottom: 2px solid lightblue;
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 15px;
    z-index: 999;
}